The SPICA-SAFARI TES bolometer readout: developments towards a flight system
- van der Kuur, J.
- Beyer, J.
- Bruijn, M.
- Gao, J. R.
- den Hartog, R.
- Heijmering, R.
- Hoevers, H.
- Jackson, B.
- Leeuwen, B. J.
- Lindeman, M.
- Kirivanta, M.
- Korte, P.
- Mauskopf, Philip Daniel
- Korte, P.
- Weers, H.
- Withington, S.
DOIAbstract
SAFARI is an imaging Fourier Transform Spectrometer for 35–200 μm under development for flight on the Japanese IR-satellite SPICA (2018). The 3.25 m diameter actively cooled telescope (<6K) will provide a sky background limited signal, which implies that detectors will need to have an NEP of 3.5 ·10-19 W/Ö{Hz}3510−19 W/Hz in order not to be limiting the sensitivity. The instrument will utilize three TES-based detector arrays, covering the 2×2 arcmin field-of-view in three octaves of wave length. This contribution will present an overview of the detector sub-system, i.e.: the detector arrays and radiation coupling, the focal plane assembly, the amplification chain and the frequency-domain- multiplexed electronics. The focus will be on the i...
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